You can greatly reduce data-entry problems in your workbooks by making Excel check entries before entering them in specific cells. To do so, you need to define restrictions and data-validation rules for those cells.
Headers and footers are widely used in the Microsoft Word document, but you should know that Excel has headers and footers too.
Color code is a perfect way to identify content and draw an attention to it. In Excel you can easily change colors of one or more spreadsheet tabs.
You can freeze your column and row labels so that you can view them no matter how far you scroll down or to the right in your worksheet.
You can edit data in cells this in several ways:
There are several operators that could be used in formulas.
If you simply need to perform a calculation, you can use the Formula bar as a calculator.
Formulas can refer to cells in other worksheets-and the worksheets don't even have to be in the same workbook. Excel uses a special type of notation to handle these types of references.
You can enter nonrelative references (absolute or mixed) manually by inserting dollar signs in the appropriate positions, or you can use a handy shortcut - F4 key.